Abstract: A retainer is disclosed herein for releasably securing an electrical power plug and socket together to avoid inadvertant disconnection. The retainer includes an elongated strap attached to the plug and socket respectively with a securement device for releasably attaching the opposite ends of the strap together so that the strap form fits or conforms to the configuration of the plug and socket. The releasable securement device may be of the hook and pile type or a post and eyelet type. Also, the retainer may be integral with either plug or socket member or the strap may be separate with slit passageways for accommodating insertion of the plug and socket cords during assembly of the strap with the power cords.